Converter, static frequency

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Ingenium, 1968.0475.001
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OBJECT TYPE: SUB-CYCLE
DATE: 1940
ARTIFACT NUMBER: 1968.0475.001

MANUFACTURER: LORAIN PRODUCTS CORP.
MODEL: M-7.5
LOCATION: Lorain, Ohio, United States of America

More Information

General Information

Serial #: 23052
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: STEEL CHASSIS/ METAL & SYNTHETIC WORKING PARTS/ SYNTHETIC CORD

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 28.0 cm
Width: 13.0 cm
Height: 18.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Telephony
Sub-Category: N/A

Manufacturer

AKA: LORAIN
Country: United States of America
State/Province: Ohio
City: Lorain

Context

Country: North America
State/Province: Unknown
Period: 1940-1960
Canada: Unknown
Function: CONVERTS 60 Hz 110 VOLT COMMERCIAL POWER TO 20 Hz 90V RINGING CURRENT TO RING EXTENSION TELEPHONES IN A PBX THAT DOES NOT HAVE ACCESS TO CENTRAL OFFICE RINGING CURRENT.
Technical: AN ECONOMICAL MEANS TO GENERATE RINGING POWER TO REPLACEROTARY CONVERTORS OR TO USE CABLE PAIRS FROM A CENTRAL OFFICE.
Area Notes: Unknown

Details

Markings: PLATE ON TOP: 'TRADE MARK/ REG. U.S. PAT. OFF./ SUB-CYCLE/ PATS/ 1,633,481 2,088,619/ 2,088,618 2,179,3[?]/ STATIC FREQUENCY CONVERTER/ VOLTS WATTS FREQUENCY/ INPUT 115 45 60/ OUTPUT 75-110 7.5 20/ KS-5585 LIST.NO. 06/ ON END: '1 1/2 AMP/ INPUT/ 105-125 V. 60 OUTPUT/ 90V.-20/ GRD./[UNDERWRITERS DECAL]
Missing: N/A
Finish: CHASSIS, BLACK WRINKLE ENAMEL/ TRANSFORMER, INDUCTOR AND SUB-CYCLE, GLOSS BLACK ENAMEL
Decoration: N/A

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If you choose to share our information about this collection object, please cite:

LORAIN PRODUCTS CORP., Converter, static frequency, circa 1940, Artifact no. 1968.0475, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1968.0475.001/

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